{
 "cells": [
  {
   "cell_type": "markdown",
   "id": "c1de586d",
   "metadata": {},
   "source": [
    "# PyPlot\n",
    "大多数 Matplotlib 实用程序位于 pyplot 子模块下，通常以 plt 别名导入："
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "c63c99f7",
   "metadata": {},
   "outputs": [],
   "source": [
    "import matplotlib.pyplot as plt"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "ed49b72a",
   "metadata": {},
   "outputs": [
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "# 在图中从位置 (0,0) 到位置 (6,250) 画一条线：\n",
    "import numpy as np\n",
    "\n",
    "xpoints = np.array([0, 6])\n",
    "ypoints = np.array([0, 250])\n",
    "\n",
    "plt.plot(xpoints, ypoints)\n",
    "plt.show()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "f779fef7",
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.7.10"
  },
  "toc": {
   "base_numbering": 1,
   "nav_menu": {},
   "number_sections": true,
   "sideBar": true,
   "skip_h1_title": false,
   "title_cell": "Table of Contents",
   "title_sidebar": "Contents",
   "toc_cell": false,
   "toc_position": {},
   "toc_section_display": true,
   "toc_window_display": false
  }
 },
 "nbformat": 4,
 "nbformat_minor": 5
}
